Struct rsfbclient::SimpleTransaction

pub struct SimpleTransaction<'c> { /* fields omitted */ }

A transaction API without client types

Implementations

impl<'c> SimpleTransaction<'c>

pub fn new(conn: &'c mut SimpleConnection) -> Result<Self, FbError>

Start a new transaction

pub fn commit(self) -> Result<(), FbError>

Commit the current transaction changes

pub fn commit_retaining(&mut self) -> Result<(), FbError>

Commit the current transaction changes, but allowing to reuse the transaction

pub fn rollback_retaining(&mut self) -> Result<(), FbError>

Rollback the current transaction changes, but allowing to reuse the transaction

pub fn rollback(self) -> Result<(), FbError>

Rollback the current transaction changes

pub fn execute_immediate(&mut self, sql: &str) -> Result<(), FbError>

Execute the statement without returning any row

Trait Implementations

impl<'c> Execute for SimpleTransaction<'c>

fn execute<P>(&mut self, sql: &str, params: P) -> Result<(), FbError> where
    P: IntoParams, 

Execute a query, may or may not commit the changes

fn execute_returnable<P, R>(
    &mut self,
    sql: &str,
    params: P
) -> Result<R, FbError> where
    P: IntoParams,
    R: FromRow + 'static, 

Execute a query that will return data, like the 'insert ... returning ..' or 'execute procedure'.

impl<'c> From<Transaction<'c, NativeFbClient<DynLink>>> for SimpleTransaction<'c>

fn from(tr: Transaction<'c, NativeFbClient<DynLink>>) -> Self

Performs the conversion.

impl<'c> From<Transaction<'c, NativeFbClient<DynLoad>>> for SimpleTransaction<'c>

fn from(tr: Transaction<'c, NativeFbClient<DynLoad>>) -> Self

Performs the conversion.

impl<'c> From<Transaction<'c, RustFbClient>> for SimpleTransaction<'c>

fn from(tr: Transaction<'c, RustFbClient>) -> Self

Performs the conversion.

impl<'c> Queryable for SimpleTransaction<'c>

fn query_iter<'a, P, R>(
    &'a mut self,
    sql: &str,
    params: P
) -> Result<Box<dyn Iterator<Item = Result<R, FbError>> + 'a>, FbError> where
    P: IntoParams,
    R: FromRow + 'static, 

Returns the results of the query as an iterator.

fn query<'a, P, R>(
    &'a mut self,
    sql: &str,
    params: P
) -> Result<Vec<R>, FbError> where
    P: IntoParams,
    R: FromRow + 'static, 

Returns the results of the query as a Vec

fn query_first<'a, P, R>(
    &'a mut self,
    sql: &str,
    params: P
) -> Result<Option<R>, FbError> where
    P: IntoParams,
    R: FromRow + 'static, 

Returns the first result of the query, or None.

impl<'c> TryFrom<SimpleTransaction<'c>> for Transaction<'c, NativeFbClient<DynLink>>

type Error = FbError

The type returned in the event of a conversion error.

fn try_from(tr: SimpleTransaction<'c>) -> Result<Self, FbError>

Performs the conversion.

impl<'c> TryFrom<SimpleTransaction<'c>> for Transaction<'c, NativeFbClient<DynLoad>>

type Error = FbError

The type returned in the event of a conversion error.

fn try_from(tr: SimpleTransaction<'c>) -> Result<Self, FbError>

Performs the conversion.

impl<'c> TryFrom<SimpleTransaction<'c>> for Transaction<'c, RustFbClient>

type Error = FbError

The type returned in the event of a conversion error.

fn try_from(tr: SimpleTransaction<'c>) -> Result<Self, FbError>

Performs the conversion.